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Two equal charges -q are fixed at a point (0,a) and (0,-a) or y-axis ,one positive charge q is placed at x=2a;this charge,when released,will (a)Execute simple harmonic motion about the origin (b)Oscillate but not execute simple harmonic motion (c)Move toward origin and will become stationary (d)Continues to move along negative x axis

Two equal charges -q are fixed at a point (0,a) and (0,-a) or y-axis ,one positive charge q is placed at x=2a;this charge,when released,will
(a)Execute simple harmonic motion about the origin
(b)Oscillate but not execute simple harmonic motion
(c)Move toward origin and will become stationary
(d)Continues to move along negative x axis

Grade:11

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
one year ago
Dear Student
It executes oscillatory motion. It does not follow SHM because the distance x= 2a is too large. Also it won't become stationary, because velocity at mean position is high. It cannot continue move along x axis because total energy has to be conserved

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